01
Required identity fields
Each row must resolve to one seller and one public product URL.
- seller_id and product_url
- brand, model, and seller SKU
- currency and destination market
Seller data feed
Keep product and availability records current with structured data.
The feed program is designed for sellers that manage multiple tattoo machine listings. Every update stays attributable to the seller and carries a timestamp.
Pilot format
CSV first, API later
02
Commerce fields
Use explicit values and timestamps rather than promotional text.
- price and stock status
- shipping region and cost
- warranty term and return-policy URL
03
Update controls
Feeds are validated before records are shown or replaced.
- generated_at timestamp
- row-level validation errors
- expiry rules for stale price and stock data
Data remains attributable
Seller-supplied fields are labeled as seller records. Official specifications, third-party sources, and issue signals remain separate evidence types.